Inventor

Takashi Oyama

Inventor

Yamaguchi, JP

Overview

29→

Patents

1993–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 29 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y02Eprimary

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution18%

C01BNon-metallic elements13%

C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials12%

H01GCapacitors9%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%

Y02TClimate change mitigation technologies related to transportation7%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons3%

C02FTreatment of water, waste water, sewage, or sludge2%

C04BLime, magnesia2%

PatentTitleYear

10,719,113Control device and electronic apparatus2020 10,280,524Ozone water manufacturing device2019 10,193,054Piezoelectric ceramic, method for producing piezoelectric ceramic, and piezoelectric ceramic electronic component2019 10,176,773Semiconductor device and mobile terminal2019 9,732,278'Petroleum coke and production method for same'2017 9,214,666'Graphite material with lattice distortion for use in lithium-ion secondary battery negative electrodes, and lithium-ion secondary battery'2015 9,147,873'Method of producing amorphous carbon material for the negative electrode of lithium ION secondary battery, and lithium ION secondary battery'2015 9,142,832'Graphite material for negative electrodes of lithium ion secondary battery, manufacturing method for said material, and lithium ion secondary battery using same'2015 8,784,644'Stock oil composition for carbonaceous material for negative electrode of lithium-ion secondary battery'2014 8,741,125'Raw oil composition for negative electrode material for lithium ion secondary battery'2014 8,715,484'Process for producing needle coke for graphite electrode and stock oil composition for use in the process'2014 8,697,025'Raw material charcoal composition for negative electrode material of lithium ion secondary battery and method for producing the same'2014 8,617,508'Carbon material for negative electrode of lithium secondary battery and method for producing the same'2013 8,451,468'Processor, image forming system and computer readable medium'2013 8,226,921'Raw coke for electricity storage carbon material and needle coke'2012 8,197,788'Raw coke for electricity storage carbon material and needle coke'2012 8,175,121'Image processor and image display apparatus comprising the same'2012 8,137,530'Process for producing petroleum coke'2012 7,993,619'Raw oil composition for carbon material for electric double layer capacitor electrode'2011 7,964,173'Feedstock composition and raw coke for electricity storage carbon material and needle coke'2011 7,959,888'Raw coke for electricity storage carbon material and needle coke'2011 7,754,178'Raw-material carbon composition for carbon material for electrode of electric double-layer capacitor'2010 7,666,306'Adsorbent, method for producing same, and method for processing oil-containing waste water'2010 7,582,902'Raw material carbon composition for carbon material for electrode in electric double layer capacitor'2009 6,882,517'Raw material composite for carbon material used in electric double layer capacitor, manufacturing method of the same, electric double layer capacitor, and manufacturing method of the same'2005 6,661,835'Receiving device and channel estimator for use in a CDMA communication system'2003 5,277,850'Process for producing a coil-shaped carbon fiber bundle'1994 5,204,030'Method for producing pitch-type carbon fiber'1993 5,183,603'Process for producing a coil-shaped carbon fiber bundle'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Based in Izumiotsu, JP· patent location history

2005–2012Patents assigned to NIPPON PETROLEUM REFINING CO (7)· patent assignee history

2005–2015Based in Yamaguchi, JP· patent location history

2009–2012Patents assigned to NIPPON OIL CORP (7)· patent assignee history

2009–2012Based in Kuga-gun, JP· patent location history

2012–2014Patents assigned to OYAMA TAKASHI (9)· patent assignee history

2012–2014Patents assigned to TANO TAMOTSU (7)· patent assignee history

2012–2020Based in Yokohama, JP· patent location history

2013–2017Patents assigned to JX NIPPON OIL & ENERGY CORP (9)· patent assignee history

2014–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JX NIPPON OIL & ENERGY CORP	9	2013–2017
OYAMA TAKASHIself	9	2012–2014
NIPPON OIL CORP	7	2009–2012
NIPPON PETROLEUM REFINING CO	7	2005–2012
TANO TAMOTSU	7	2012–2014

Locations

Location	Patents	Span
Yamaguchi, JP	14	2005–2015
Tokyo, JP	3	2014–2019
Kuga-gun, JP	3	2009–2012
Yokohama, JP	2	2012–2020
Izumiotsu, JP	2	1993